Home / 877,646.41-1,210,698.15-555,543.38

Finding the Fourth Proportional to 877,646.41, 1,210,698.15 and 555,543.38

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Solution

The fourth proportional to 877,646.41, 1,210,698.15 and 555,543.38 is: 766,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,646.41 : 1,210,698.15 = 555,543.38 : x
  2. Step 2: Convert to fraction form
    877,646.41/1,210,698.15 = 555,543.38/x
  3. Step 3: Cross multiply
    877,646.41x = 1,210,698.15 × 555,543.38
  4. Step 4: Simplify right side
    877,646.41x = 672,595,339,633.03
  5. Step 5: Solve for x
    x = 672,595,339,633.03/877,646.41
  6. Step 6: Final answer
    x = 766,362.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.